diff --git a/.github/workflows/composer-diff.yml b/.github/workflows/composer-diff.yml
index 3384812..e713124 100644
--- a/.github/workflows/composer-diff.yml
+++ b/.github/workflows/composer-diff.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0 # Required to make it possible to compare with PR base branch
 
diff --git a/.github/workflows/cs.yml b/.github/workflows/cs.yml
index a8d7939..e1f520f 100644
--- a/.github/workflows/cs.yml
+++ b/.github/workflows/cs.yml
@@ -22,7 +22,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Install PHP
         uses: shivammathur/setup-php@v2
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 58a6abf..15eb941 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -11,7 +11,7 @@ jobs:
     steps:
       # Checkout the code
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       # Optional: if we add a build step to the plugin, we can run it here.
       # Deploy the plugin to WordPress.org
       - name: WordPress plugin deploy
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index ecdbb13..9e10df8 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -32,7 +32,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Install PHP
         uses: shivammathur/setup-php@v2
diff --git a/.github/workflows/phpstan.yml b/.github/workflows/phpstan.yml
index 6007064..775bc1a 100644
--- a/.github/workflows/phpstan.yml
+++ b/.github/workflows/phpstan.yml
@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
diff --git a/.github/workflows/playground.yml b/.github/workflows/playground.yml
index 82edb96..9fea77e 100644
--- a/.github/workflows/playground.yml
+++ b/.github/workflows/playground.yml
@@ -12,7 +12,7 @@ jobs:
       actions: read
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       # Prepare a folder named exactly like the repo as the plugin root.
       # If the repo already has such a folder (common for WP plugins), use it.
diff --git a/.github/workflows/plugin-check.yml b/.github/workflows/plugin-check.yml
index 4f1d035..67e762b 100644
--- a/.github/workflows/plugin-check.yml
+++ b/.github/workflows/plugin-check.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
         - name: Checkout
-          uses: actions/checkout@v5
+          uses: actions/checkout@v6
 
         - name: Setup PHP
           uses: shivammathur/setup-php@v2
diff --git a/.github/workflows/sbom.yml b/.github/workflows/sbom.yml
index 5b912f5..f5aacac 100644
--- a/.github/workflows/sbom.yml
+++ b/.github/workflows/sbom.yml
@@ -9,7 +9,7 @@ jobs:
   build_artifact:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
       with:
         token: ${{ secrets.GITHUB_TOKEN }}
         fetch-depth: 0
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index 2b405a3..715a98e 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -26,7 +26,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       # This action checks the `composer.lock` file against known security vulnerabilities in the dependencies.
       # https://github.com/marketplace/actions/the-php-security-checker
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 352317d..0f8036f 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -53,7 +53,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Install PHP
         uses: shivammathur/setup-php@v2